Ethyl 5-amino-2-iodo-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-amino-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-amino-5-iodo-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid